How to eliminate diacetyl in your brewing process

[Music] in a recent video I did I made reference to the fact I needed to do my vdk test well that brought a lot of questions from folks about what is that what am I talking about well viscal Dy tones are compounds that are created during the fermentation process we know one of them very well because we commonly refer to it is diasol so first off if you want a more complete scientific description of the chemistry involved I going to put a link Down Below in the description from uh beer and Brewing where it's a really simple five paragraph discussion because it goes into a lot more technical discussion around the amino acids and what really is happening but it's an easy read and and very much worth it if you're at all interested for most of us home Brewers though there's really two things we need to know first off these always occur during fermentation you got to accept the fact they're there but more importantly how do you manage it what do you do about it and that's the purpose of this video I'm going to do what's commonly called a force dietal test where we're going to basically Force the situation the conditions that would manifest into dial later in your beer and make sure that we're clear of that that barrier before we go to packaging it's a very simple process it's one I'd always heard about but there was I don't know some mystery around it I never did it well I started doing it and I kind of laugh at myself because it is just that [Music] easy [Music] a [Music] okay so I'm back with you now and this is the Moment of Truth we're going to test our sample again I'm just looking for any of that hint of dial want to make sure it's not there and I did want to make one point handful of days ago this beer is fermented it was done it was dry hopped I tasted it it really tastes good I also though right away did this test knowing that there's probably going to be a bit of that dietal presence and sure enough there was I mean it was pretty strong and that's why this is important if you're just go by the uh fermentation complete no activity on your bobber that type of thing for me I checked my gravity several days in a row it was very stationary so you know fermentation is done you'd think okay I'm good to go I can put it in the kegs if I would have done that with this beer it would have been one of those situations where the first week maybe it's all tasted pretty good the next week it's like no it's really not as good as I remember the following weeks all of a sudden like this is not very good at all and that's because it was packaged too early so enough said let's pop the lid off of this and I'll let you know what I think okay right away in the nose smells clean which is awesome in The Taste no real presence there either and again the taste is not the best because it's warmed up beer but uh it is showing me that there is through the whole force dietal test here there's no problem with that so what I'm going to do tomorrow is go ahead and keg this up free up my fermentor for the next batch of beer I need to try to get it done before Christmas and we'll go from there so again I hope this helped you out I hope you see how easy it is to do it is going to tackle one of the biggest problems that a lot of us have and certainly have the potential to have and that's packaging your beer and having a de bomb later so let's avoid that thanks for watching and uh BR some more beer see you later

Channel: HomeBrewingTips

Views: 2,393

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Id: GkDQAPKZF2A

Length: 5min 25sec (325 seconds)

Published: Fri Dec 08 2023